def start_new_kernel(**kwargs):
"""start a new kernel, and return its Manager and Client
Integrates with our output capturing for tests.
"""
kwargs.update(dict(stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT))
return manager.start_new_kernel(startup_timeout=STARTUP_TIMEOUT, **kwargs)
def start_new_kernel(**kwargs):
"""start a new kernel, and return its Manager and Client
Integrates with our output capturing for tests.
"""
kwargs.update(dict(stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT))
return manager.start_new_kernel(startup_timeout=STARTUP_TIMEOUT, **kwargs)
def start_new_kernel(**kwargs):
"""start a new kernel, and return its Manager and Client
Integrates with our output capturing for tests.
"""
kwargs['stderr'] = STDOUT
try:
kwargs['stdout'] = nose.iptest_stdstreams_fileno()
except AttributeError:
pass
return manager.start_new_kernel(startup_timeout=STARTUP_TIMEOUT, **kwargs)
def start_new_kernel(**kwargs):
"""start a new kernel, and return its Manager and Client
Integrates with our output capturing for tests.
"""
try:
stdout = nose.iptest_stdstreams_fileno()
except AttributeError:
stdout = open(os.devnull)
kwargs.update(dict(stdout=stdout, stderr=STDOUT))
return manager.start_new_kernel(startup_timeout=STARTUP_TIMEOUT, **kwargs)
def start_new_kernel(**kwargs):
"""start a new kernel, and return its Manager and Client
Integrates with our output capturing for tests.
"""
try:
stdout = nose.iptest_stdstreams_fileno()
except AttributeError:
stdout = open(os.devnull)
kwargs.update(dict(stdout=stdout, stderr=STDOUT))
return manager.start_new_kernel(startup_timeout=STARTUP_TIMEOUT, **kwargs)
def start(self):
if self.state == "before":
# Store stdout & stderr to show with failing tests.
# This is defined in IPython.testing.iptest
self.process = Popen(
self.args, stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT, env=os.environ, cwd=self.work_dir
)
self.notify_start(self.process.pid)
self.poll = self.process.poll
else:
s = "The process was already started and has state: %r" % self.state
raise ProcessStateError(s)
def new_kernel(argv=None):
"""Context manager for a new kernel in a subprocess
Should only be used for tests where the kernel must not be re-used.
Returns
-------
kernel_client: connected KernelClient instance
"""
kwargs = dict(stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT, startup_timeout=STARTUP_TIMEOUT)
if argv is not None:
kwargs["extra_arguments"] = argv
return manager.run_kernel(**kwargs)
def start(self):
if self.state == 'before':
# Store stdout & stderr to show with failing tests.
# This is defined in IPython.testing.iptest
self.process = Popen(self.args,
stdout=nose.iptest_stdstreams_fileno(),
stderr=STDOUT,
env=os.environ,
cwd=self.work_dir)
self.notify_start(self.process.pid)
self.poll = self.process.poll
else:
s = 'The process was already started and has state: %r' % self.state
raise ProcessStateError(s)
def start_new_kernel(argv=None):
"""start a new kernel, and return its Manager and Client"""
km = KernelManager()
kwargs = dict(stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT)
if argv:
kwargs['extra_arguments'] = argv
km.start_kernel(**kwargs)
kc = km.client()
kc.start_channels()
msg_id = kc.kernel_info()
kc.get_shell_msg(block=True, timeout=STARTUP_TIMEOUT)
flush_channels(kc)
return km, kc
def new_kernel(argv=None):
"""Context manager for a new kernel in a subprocess
Should only be used for tests where the kernel must not be re-used.
Returns
-------
kernel_client: connected KernelClient instance
"""
kwargs = dict(stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT,
startup_timeout=STARTUP_TIMEOUT)
if argv is not None:
kwargs['extra_arguments'] = argv
return manager.run_kernel(**kwargs)
def start_new_kernel(argv=None):
"""start a new kernel, and return its Manager and Client"""
km = KernelManager()
kwargs = dict(stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT)
if argv:
kwargs['extra_arguments'] = argv
km.start_kernel(**kwargs)
kc = km.client()
kc.start_channels()
msg_id = kc.kernel_info()
kc.get_shell_msg(block=True, timeout=STARTUP_TIMEOUT)
flush_channels(kc)
return km, kc
def setup_class(cls):
cls.ipython_dir = TemporaryDirectory()
cls.notebook_dir = TemporaryDirectory()
notebook_args = [
sys.executable, '-c',
'from IPython.html.notebookapp import launch_new_instance; launch_new_instance()',
'--port=%d' % cls.port,
'--no-browser',
'--ipython-dir=%s' % cls.ipython_dir.name,
'--notebook-dir=%s' % cls.notebook_dir.name,
]
cls.notebook = Popen(notebook_args,
stdout=nose.iptest_stdstreams_fileno(),
stderr=STDOUT,
)
cls.wait_until_alive()
def new_kernel(argv=None):
"""Context manager for a new kernel in a subprocess
Should only be used for tests where the kernel must not be re-used.
Returns
-------
kernel_client: connected KernelClient instance
"""
kwargs = {'stderr': STDOUT}
try:
kwargs['stdout'] = nose.iptest_stdstreams_fileno()
except AttributeError:
pass
if argv is not None:
kwargs['extra_arguments'] = argv
return manager.run_kernel(**kwargs)
def setup_class(cls):
cls.ipython_dir = TemporaryDirectory()
cls.notebook_dir = TemporaryDirectory()
notebook_args = [
sys.executable, '-c',
'from IPython.html.notebookapp import launch_new_instance; launch_new_instance()',
'--port=%d' % cls.port,
'--port-retries=0', # Don't try any other ports
'--no-browser',
'--ipython-dir=%s' % cls.ipython_dir.name,
'--notebook-dir=%s' % cls.notebook_dir.name,
]
cls.notebook = Popen(notebook_args,
stdout=nose.iptest_stdstreams_fileno(),
stderr=STDOUT,
)
cls.wait_until_alive()
